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The rate of effusion of H₂ : 7.2 x 10⁻² m/s
<h3>Further explanation </h3>Graham's law: the rate of effusion of a gas is inversely proportional to the square root of its molar masses or
the effusion rates of two gases = the square root of the inverse of their molar masses:
or
MW₁ O₂ = 32 g/mol
MW₂ H₂ = 2 g/mol
- Energy change
- Mass being heated
- Temperature change
which is the same as
.
Heat capacity measures the energy required to raise the temperature of a unit mass of a substance by a unit degree. Therefore